This document summarizes religious and social reform movements that occurred in the United States between 1820-1860, during the period known as the Second Great Awakening. It describes the rise of evangelical Christianity and revivalism, as well as new religious groups like the Mormons. It also discusses the transcendentalist movement and thinkers like Emerson and Thoreau. Reform efforts related to health, education, temperance and abolition are outlined. In particular, it provides details on William Lloyd Garrison and the growth of the abolitionist movement in the 1830s.